CAT scans or Computer Assisted Tomograph scans have been around for years. However, it is quickly becoming the new standard in dentistry. The reasons are clear both literally and figuratively, as they provide our office with millions of pictures so that we can combine them together to create 3-dimensional (3-D) images. Prior to this technology, we could only image the body in 2-dimensions with x-rays (radiographs) — a technology first developed by Roentgen.

One of the best features of CAT scans and CBCT (Cone Beam Computed Tomography) scanning is that they enable us to see and experience the body from the inside. Having this ability changes (and many times) improves upon the way we diagnose. Here's how they work in very simplistic terms. Picture your favorite multi-layered cake with each layer representing an image. A three-layer cake requires just three images. For us to build a 3-D image similar to the cake, we require millions of very thin layers (images) that we put together, one on top of another, until our results, one 3-D image. And by having so many thin layers, we are best able to diagnose. For example, in our cake analogy, it is easier to determine if the cake contains finely chopped nuts, berries or other ingredients when you cut numerous very thin slices of cake to examine versus having one large chunk of cake.

It is important to note that in our office we may not recommend using this technology in all cases, as it may not be necessary for your particular diagnosis and/or treatment. While the technology can prove invaluable, it is quite expensive and a simple 2-D x-ray may provide everything we need. However, some dental specialty areas where CAT scans are currently used include: